What is a DC Linear Solenoid Actuator ?

A DC Linear solenoid actuator is constructed from an moving iron or steel core along with a movable solenoid coil and work by converting an electrical current or signal into mechanical linear motion, by creating a magnetic field. A solenoid actuator pulls or pushes mechanically, with the strength of its range of motion determined by the number of turns its coil contains.

There are different options for the solenoid actuator, including metric tubular pull or push, Open Frame type. There are many applications for linear solenoid actuator devices, including the opening and closing of solenoid, electrical doors, and latches. They are also frequently used as part of the mechanics in robotic limbs.

What is DC Linear Solenoid ?

DC linear solenoid ( it is also call linear actuator ) features robust linear movement and are well suited for "heavy duty" applications. This kind of DC linear solenoid design allows high holding force at a comparably low current. Therefore push pull solenoids are ideal actuators for applications for which power consumption and heat dissipation are critical. It is named  "Push/Pull" because both shaft ends are available, so the linear solenoid can be used as pushing solenoid or pulling solenoid, depending which shaft end is used for mechanical connection - but because of reluctance working principle the active moving direction when powering the coil is only unidirectional. Applications can be found in medical, laboratory and analytical equipment.  

Introduction of DC Mini Solenoid Open Frame Push and Pull Type

Open-Frame Solenoids are available in various designs, as Push and Pull,   or just a Push combination type, Features a simple and robust action for the industry and automation equipment.

DC power sources Option ;  DC Voltage ; 6 V , 12 V and 24 V, the power is more bigger and the pushing force will be more stronger and the noise will increasingly also.

Long stroke designs for improved performance over greater strokes.

Electric wire fitted 200mm as standard or we can do as per your want.

Optional return springs or the mounted screw holes for selection.

Fixing arrangement, plunger coupling, thrust rod options and lead length can all be customize

What is a D Frame Type Solenoid 

The D Frame Type solenoid is a device that uses the principle of electromagnetic induction to generate electromagnetism. It is functionally the same as the push-pull solenoid. When the inside copper coil is powered on, it creates the magnetism like a magnet. It is made with box shape steel housing that also called a frame type solenoid. In order to demagnetize the solenoid immediately, just simple turned the power off, it is very simple structure and wildly used in today industrial machine or the equipment. 

Unit Features:  

Metal Stamping Housing used the carbon steel material with Zinc coating along with mounting holes on both side for easy set up purpose. The carbon material compliance with RoHS requirement and anti-corrosion. 
Plunger Diameter : φ 9 mm , Carbon Steel with Zinc coating. 
Rated Voltage : DC24 V
Stroke Distance: 5 mm
Force: 400 GF 
Power Wattage: 11.5 W
Rate Current:  0.5 A
Electronic Resistance:  50 Ω   
Lifespan cycles: ≥300,000 times 
Working Cycle: 0.5s On, 2s Off
Unit Dimension:  46 * 23 * 18 mm  / 1.81 * 0.90 * 0.63 Inch ( LWH ) 

Custom Design Solenoid Solution Service :    

We are a leading solenoid manufacturers based on your application considerations, modifications for specific design, and the life cycle intended.  Through our Enhanced Engineering Support, we can design and manufacturing solenoids according to your satisfaction and specific requirements.  Our customization include:
Custom type Solenoid and Dimension. 
Custom Voltages and Current 
Custom Duty Cycles
Custom Force Curves
Custom Input Connections
Custom Plunger Configurations
For more information, pls contact us through our email: jack@drsolenoid.com today. 

AS 0840 Advantage: It has the advantages of simple structure, low power consumption, using magnetic body as frame housing, copper coil, and unique characteristics of long stroke. It is a linear motion solenoid electromagnet with compact, simple structure, easy installation and connection, as well convenient for maintenance. The D Frame type of solenoid works by pulling in (pulling in) the plunger or pushing out the sliding rod. The core diameter ranges is made from 2mm to 20mm. 

Unit Features: 

AS 0840 Dimensions- 41 x 15 x 20 mm / 1.61 x 0.59 x 0.79 inch (L*W*H); Voltage: 24V;  
Frame Housing Material:  Carbon Steel.  It is electroplated with Zinc or Nickle coating. It is passed 96 hours salt spray testing and it is anti-corrosion. 
Plunger Material:  Carbon Steel.  It is electroplated with Zinc or Nickle coating. It is passed 96 hours salt spray testing and it is anti-corrosion and compliance with RoHS . 
Copper Coils:  it is made with pure copper wire. Character: Good conduction and insulation, High temperature resistance. 
Voltage source:  Power by DC24V 
Stroke: 4-10mm ( Adjustable ) Material : Carbon Steel with Zinc coating
Force: 1.5-8N (Adjustable to your requirement)
Power wattage : . 24 W 
Current: 1 A
Resistance: 10Ω 
Lifespan: ≥200,000 times 
Working Cycle: 0.3 s On, 5 s Off

Our team: 

Our Product range: electromagnets, solenoid; solenoid valves, solenoid pumps, tubular Solenoid and sucker solenoid and other solenoid valve products meet the requirements of IEC, EN, and UL standards, and some of the models have passed CE and CB certification. Our part processes, quality control, and product assembling are strictly operated according to the ISO 2015 standard system. Our R & D team with more than 17 years of experience in design, manufacturing and production that meet your various requirements   Due to the electromagnets are non-standard products, you are welcome to send us your detailed requirement and specification for your own specification design. We will tailor the solenoid you need accordingly. 

DC Frame push-pull electromagnet / Solenoid is a common electromagnetic/solenoid device.

The structure includes a Carbon steel frame, a movable iron core and a copper coil wound on the bobbin. It is simple design with widely application . The working principle is based on electromagnetic induction/ copper coil. When the copper coil is energized, a magnetic field is generated, causing the iron core to be pushed and pulled by the magnetic force. 

AS 0837 DC Solenoid has the following characteristics:

Size: 37*26*20mm
Plunger: φ8mm
Voltage: DC12 V
Stroke: 0-6mm
Force: 1-10N
Power: 4W
Current: 0.27A
Resistance: 56.25Ω
Life: ≥500,000 times
Working Cycle: Continuous Power
1. Precise push-pull action: it can achieve relatively precise linear motion.
2. Strong force: it can generate strong thrust or pull.

Fast response speed: it can respond quickly after the power is turned on.

In practical applications, D frame push-pull electromagnets are widely used in automation equipment, industrial machinery, medical equipment, electronic equipment and other fields. For example, it is used for pushing and grabbing materials in automated production lines, and for switch control in door lock systems.

Feature of D Frame Solenoid

Mini solenoids open D frame S-type with normal supply voltages between DC 3-60 V and force up to 5--200N. The force can be adjustable and increased with limited energized time and with connection to higher power voltage of changing the copper coil built inside. 

Unit Dimension: 28.4 * 20* 17MM / 1.11 * 0.78 * 0.67 Inch. ( LWH ) 

Housing Material: Stamping Carton steel housing with Zinc coating with mounting holes on both side for easy set up the unit into the machine. The material compliance with RoHS requirement and anti-corrosion. 
Plunger Diameter : φ10mm , Carbon Steel with Zinc coating. 
Rated Voltage : DC12V
Stroke:  4.8 mm
Force: 1-4.5N
Power Wattage:  7.2 W
Rate Current:  0.5 A
Resistance: 20 Ω
Life: ≥300,000 times 
Working Cycle: 0.5s On, 2s Off

Design of D Frame Solenoid: 

The D frame solenoids come with a return spring, and are available in various construction types such as open, cylindrical, self-holding latching bistable and holding magnet type. All solenoids are available in mechanical pull L or push S designs and can be customized per special requirement. Common customization are mechanical as well as cable connections and cabling. The frame push-pull solenoid is mainly composed of open frame housing with permeability, copper coil, bobbin, plunger and iron core inside. Due to the simple structure and low cost, it is widely used in automation equipment, such as small household appliances, game and vending machines.

As 4020 DC 12V  Solenoid is  the most cost effective version of linear solenoids. It is being used in many versions in all kind of applications. These is a essentially either PULL or PUSH type for the action. Custom option for the unit dimension, voltage and stroke (linear distance traveled) or new products can be tailor made. These can be either customized to suit individual specifications of Pull/ Push force.

Unit Features as blow 

Product Dimension： 20.5 * 12* 11 mm / 0.84 * 0.47 * 0.43 Inches
plunger：φ 4 mm
Voltage: DC12V
Stroke: 0-5mm
Force: 0.2-2N
Power : 13W
Current: 1.09A
Resistance: 11Ω
Working cycle: 0.5s on, 2s off
Yoke/ Housing Material:  Electrolytic zinc-coated carbon steel sheets *(some are with haxavalent chromium free zinc plating.), smooth surface with RoHS compliance,  Anti-corrosion. 
Plunger :  Fluoroplastic coating (open frame solenoids), Zinc or Nickel plating
lifespan:  DC solenoid shall operate normally with 300,000 cycles after tested in a specified intermittent operation cycles for a required number of times under a specific voltage, load, and stroke requirements.

Please consult with us for more special/ customized design requirements for functions (e.g. push type, double-coil type, mold-coil type) or structures (e.g. terminal type, lead-wire type, connectors, thermal fuses, diodes).

This C type Solenoid electromagnet has simple structure, small volume, high adsorption force. Built in Quality copper coil inside, has good temperature stability and insulation, high electrical conductivity also. 

The mini push-pull solenoids incorporate an intelligent magnetic concept that allows a very high holding force at a comparably low power input. This makes the solenoid ideally suited for heavy duty applications, and those demanding for low power consumption or low heat dissipation project

Housing: smooth surface carbon steel , zinc plated coating with high temperature resistance. 

Stroke: 6-10 mm ( adjustable )

Holding Force: 0.4N

Operating Temperature: -5 to 60deg C non-condensing

Operating Humidity: 45% to 85% non-condensing

Push Bar Diameter: Approx. 0.19 inch / 5 MM

About the D Frame Type Solenoid 

The D type open frame solenoid is the simplest solenoid device consisting of an open iron frame, an over molded or taped copper coil, and a movable plunger in the center of the copper coil.  D type Open frame solenoids are the most economical of all the solenoid types, and are typically selected for applications in which extremely long life and precise positioning are not critical.

Unit  Dimension : - 38 x 22.5 x 12 mm / 1.5 x 0.9 x 0.5 inch(L*W*H); Voltage: 12V; Force: 42N; Current: 1A;  Stroke : 10mm / 0.39 inch;  

Unit Feature:
C type push solenoid has a push bar attached to the curved head of the plunger and when the plunger is pulled into the solenoid the push bar extends out the opposite end.The C Type Push solenoids have a return spring in place to return the plunger to a fixed position when no other force is applied to the plunger.The force applied by the return spring is included in the pull force – stroke relationship graph to the right.

It is a stable performance and 300000 lifespan cycles for base application.

Maintains the open / closed state of the solenoid with short-time   energization, and achieves low power consumption by using a permanent magnet.

Power Source :  DC power-operated 12V   

Push pull type, linear motion, plunger return, DC solenoid electromagnet.

Solenoids of this category work externally through pulling pushing in plunger.

When energized, doing work through pulling pushing in plunger joined object.

DC Frame type Solenoid Electromagnet mainly used in vending machines, transport equipment, office facility household appliance, mechanical, etc.

Metal Housing:  Carbon Steel housing, It is electroplated with Zinc or Nickle coating. It is undergone 96 hours salt spray testing and it is anticorrosion with high temperature standard and compliance with RoHS. 
Metal Plunger:  Carbon Steel material, It is electroplated with Zinc coating with smooth surface. It is passed 96 hours salt spray testing and it is anticorrosion and compliance with RoHS Standard. 

Heat dissipation

The feature of the frame type solenoid is easier to dissipate compared with the round type, tubular type and the suction cup electromagnet. Most of its bobbin copper coils are exposed to the outside, which can discharge the heat in time to make sure smoothness in work, without jamming, stopping or burning situation.. Therefore, the frame type solenoid is popular in good quality and has good heat dissipation capacity. 

Advantages

AS 1031 Solenoid is a miniature push-pull electromagnet mass-produced by Dr. Solenoid at 2020.  The frame type electromagnet of AS 1031 can be made into a push electromagnet and a pull solenoid as per your specification. The product has small size, easy installation, low cost and is widely used in the market for automation equipment, automatic toys, medical mailboxes and lockers, etc.

As 1037 of Push pull Type Solenoid, it is linear motion, frame type, plunger spring return and low power consumption with reliable temperature rise. 

Unit Advantage: -  D frame Push Pull type Solenoid electromagnet has simple structure, small volume production, high adsorption force. Pure copper coil with good conduction and insulation inside. It has high temperature resistance features. 

D Frame type Solenoid Application:  DC 24V solenoid electromagnet are widely used in vending machines, transport equipment, office equipment,  facility household appliance, mechanical, etc  game machine, Sorting machine, auto door lock, etc.it is simple design and easy installation and operation. 

Lifespan: 

The unit lifespan can reach 200,000 cycles times, which can meet the long-term use of the machine and does not need to be replaced frequently. It bringing great convenience to the machine in term of service .  During product development period, the specification and  the lifespan service has been validation by our R & D team.  Therefore, we can make sure you in  safety, quality and production efficiency for AS 1037 model. 

DC Solenoid is a linear push pull type solenoid features D or C type frame structure design, Stroke Force as well as the plunger are adjustable accordingly. It is widely application in medical device, automotive equipment and smart household appliance. 

AS for the DC source power, we have DC 6 V, 12V, 24 V and 36 V standard voltage optional. Custom solutions for changing the size of Frame, stroke, the copper coil and the duty cycle, mounted screw hole, value package available. 

Unit Features: 

Housing Steel:  Carbon steel with Zinc Coating, Smooth surface, Rohs Compliance 
Plunger: φ10 mm, Carbon steel with Zinc Coating Anticorrosion., Meet Rohs compliance. 
Voltage: DC24V 
Stroke: 0-10mm, we can change the distance accordingly. 
Force: 2-15N adjustable , 
Power Wattage: 9 W 
Current: 0.75A
Resistance: 16 Ω
Life: ≥200,000 times, has been validation during product development
Working Cycle: 1s On, 1s Off
Temperature Rise : 65 degrees Cel.

Our R & D Team: 

Our R & D team offer one-stop solenoid & Solenoid Valves solutions according to Customer specification.  we consider the using condition to select the best material, make the engineering drawings for dimension and confirmation before creating the working sampling; trying our best to minimize the time waste and accelerate the timetable of launching new product for you. For more details, Pls contact our sales expert today. 

Unit Dimension: 56  x 32 x 23 mm / 2.2 x 1.26 x 0.91 inch (L*W*H); Voltage: 24V; 

Introduction of Open Frame Solenoid:

Linear Open-Frame Solenoids are available in various designs, as Pull, Thrust (Push) or a combination type, which offer a simple and robust action for the industry and automation equipment.
We can make both AC or the DC power sources ;  DC Voltage ; 6 V , 12 V ,24 V  36 V ,48 and 60 V .    AC Voltage: 110V, 115V & 230V.
Custom AC & DC voltages available on request for your specification. 
Long stroke designs for improved performance over greater strokes.
Electric wire fitted 200mm as standard.
Optional return springs or the mounted screw holes. 
Fixing arrangement, plunger coupling, thrust rod options and lead length can all be customize

Unit Features:

DC24V  Push pull Type, linear motion, frame type, plunger spring return, Low power consumption to ensure high efficiency and 300,000 cycle lifespan. 
D Type Frame Solenoid electromagnet has simple structure, small volume, high adsorption force. Good copper coil inside, has good temperature resistant performance along with high electrical conductivity.
Standard working condition: Ambient Temperature: 20±2℃, Relative Humidity: 65±5%RH  
Product Standards ● designed and tested to VDE 0580 ● manufactured to ISO 9001

Material Selection:

Solenoid Enclosures : We offers two types of enclosures, each for a variety of applications: a one-piece molded epoxy construction called the Red Hat II solenoid and a conventional Red Hat metallic construction.  Both meet ICS-6 ANSI/NEMA, and UL Standards 429, 508, and/or 1002. These standards define enclosure protection levels and the tests passed to earn each Type designation

Application:

The Pull push type, linear motion open frame, plunger spring return, DC solenoid electromagnet of Dr. Solenoid are wildly used in vending machines, transporting equipment, office device; smart household appliance, mechanical used. 
Notice: please take the electromagnet put down gently when you install it. The screw thread can make a corresponding change according to your demand. This product is small in size, please pay attention to in the process of using electricity, so as not to damage the electromagnet.